Finding the Fourth Proportional to 1,483,659.99, 2,225,864.21 and 685,505.84
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Solution
The fourth proportional to 1,483,659.99, 2,225,864.21 and 685,505.84 is: 1,028,431.66
Step by Step Solution
- Step 1: Write the proportion equation
1,483,659.99 : 2,225,864.21 = 685,505.84 : x - Step 2: Convert to fraction form
1,483,659.99/2,225,864.21 = 685,505.84/x - Step 3: Cross multiply
1,483,659.99x = 2,225,864.21 × 685,505.84 - Step 4: Simplify right side
1,483,659.99x = 1,525,842,900,445.14 - Step 5: Solve for x
x = 1,525,842,900,445.14/1,483,659.99 - Step 6: Final answer
x = 1,028,431.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.